#emc | Logs for 2011-10-10

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[00:31:28]<andypugh> pcw_home: Are ye there?
[00:32:24]<pcw_home> Yes just back from Napa valley
[00:34:23]<andypugh> Sounds nice
[00:35:22]<andypugh> My 5i25 is timing out. Even on the base 2.5 branch. I think I might have broken it through software.
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[00:35:46]<pcw_home> timing out?
[00:35:59]<andypugh> Should I see any LEDs during the PC boot and EMC2 load process?
[00:36:16]<pcw_home> No
[00:36:30]<andypugh> OK, that's good.
[00:36:53]<pcw_home> Only brief bling of red lights at power up
[00:36:59]<pcw_home> blink
[00:38:04]<andypugh> I don't get that at a restart.
[00:38:21]<andypugh> I can try a power-off and power up
[00:40:23]<pcw_home> Has to be power cycle
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[06:28:31]<Loetmichel> moin
[06:32:29]<Jymmm> howdy
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[12:25:38]<CNC123> hello everybody, it has been almost a year since last release... is developmen freezes?? just asking out of curiosity
[12:26:26]<psha[work]> CNC123: no, it's going on
[12:26:48]<psha[work]> you may grab packages for unreleased version from buildbot if you want
[12:31:35]<CNC123> thanks psha.. can you give me a link or wiki how to get from buildbot??
[12:32:02]<CNC123> and any approx time for next release???
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[12:34:25]<psha[work]> CNC123: don't know :( there are several open issues, primary with docs
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[15:40:56]<rizo> i would like to start hal file and go back to command line, i tried "#halrun -kf klhal2.hal", but it doesnt work. "#halcmd start" return "HAL: ERROR: rtapi init failed" error.
[15:48:45]<cpresser> rizo: try starting emc first, then execute halrun
[15:49:35]<rizo> i would just like to generate some pwm signal (not run emc)
[15:50:55]<rizo> it works fine with -I command but then it starts the halcmd: interface
[15:51:18]<rizo> i dont want this interface, i yust want to execute commands from command prompt
[15:53:31]<cpresser> to be honest, i dont have a clue why it works in interactive mode. my knowledge is not that deep :/
[15:54:36]<cpresser> my educated guess would be that there needs to be at lease one userspace-app running to provide some sort of interface (shared memory?)
[15:55:44]<cpresser> a workaround would be to start "halrun -I" in a detachable shell (screen);
[15:58:10]<rizo> I tred this and this also works fine. What i would like to do is to run a simple system statup shell script which would start hal and some hal command.
[16:05:53]<rizo> .sh runs the fist command that loads the file, but than i cant start hal with "halcmd start"
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[16:14:51]<cpresser> try using screen: "screen -d -m halrun -I ...." it starts halrun interactive and detaches it. your shell is free after that
[16:25:26]<rizo> this works fine :) Thank you!
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[16:49:04]<cpresser> most likely there is a more elegant solution for this. but as long as it solves your problem its fine i guess :)
[16:49:52]<cradek> um do you just want "realtime start" instead?
[16:51:01]<cradek> for installed package, it might be /etc/init.d/realtime
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[16:54:14]<Danimal_garage> hi
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[17:11:03]<IchGucksLive> hi folks when i do a latacy test the jitters are below 10.000 when i start a aplication they went up to 250.000 after reset with the running aplication tey keep below 10.000
[17:11:38]<IchGucksLive> im running on stepper with 5000,5000,20000,20000 setings do you think this will work ?
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[17:20:22]<rizo> I still have the problem with this simple startup script. I added "screen -d -m halrun -I -f /home/rizo/klhal2.hal" to /etc/rc.conf, but now i get RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: Locked memory limit is 64KiB, recommended at least 20480KiB.
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[17:38:21]ries_ is now known as ries[17:41:54]<pcw_home> IchGucksLive: What kind of hard drive? if you only have latency when you launch a big application, it may be a hard drive issue (check the SMART data)
[17:45:58]<IchGucksLive> as you may now i use emc for education and today the 25 new OLD IBM coomputer arived
[17:47:38]<IchGucksLive> how many Grafik Memory shoudt i giv the pc 16 or more
[17:47:49]<IchGucksLive> there is 1GB Ram inside
[17:49:21]<IchGucksLive> im now on 32 MB trying to get a better performance
[17:50:30]<pcw_home> 16MB should be OK for 1280x1024 32 bit/pixel double buffered
[17:51:14]<pcw_home> (hardware wise) but I know nothing about recent X drivers
[17:52:27]<IchGucksLive> still only 400 frames on glxgears per 5sec
[17:58:17]<Danimal_garage> i got another realtime delay error on my mill, even wit hthe new ssd
[17:59:06]<Danimal_garage> it took quite a while to get one though, it's definitely better than it was before the ssd
[17:59:52]<Danimal_garage> i did some updates, i wonder if the ssd is so slow that it caused a delay during the updates since it was using the drive?
[18:00:17]<Danimal_garage> i know it's not the fastest drive in the world
[18:06:38]<IchGucksLive> B)
[18:07:53]<IchGucksLive> pcw_home: shoudt i try to go with the 300.000 jitter number or stay with the 30.000 when i hitedit the G-code the realtime delay apears
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[18:21:20]<pcw_home> 300000 is pretty dismal
[18:21:21]<pcw_home> what video driver are you using?
[18:21:23]<pcw_home> If you have multiple systems do they behave the same?
[18:23:53]<pcw_home> Danimal_garage: hard drive related troubles showed up for me when launchig big programs (usually worst the first time)
[18:26:51]<Danimal_garage> pcw_home: do you think it could just be the fact that it's a slower ssd?
[18:29:21]<pcw_home> I sort of doubt it, almost any SSD should be faster than a mechnical hard drive.
[18:29:23]<pcw_home> What are your numbers? is it random or when you are doing something specifc in userland?
[18:29:24]<pcw_home> does dmesg show any disk errors?
[18:32:07]<Danimal_garage> not sure, i'll have to investigate a bit later
[18:32:14]<Danimal_garage> i thought ssd's were slower?
[18:32:45]<Danimal_garage> eh guess not, the box says it's faster
[18:32:49]<pcw_home> No, usually quite a bit faster
[18:33:14]<Danimal_garage> hmm wonder what the guy at the store was talking about... he was probably clueless
[18:33:25]<Danimal_garage> bbl, lunch time!
[18:33:47]<pcw_home> Too early
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[18:54:39]<JT-Shop> mmmm lunch
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[20:18:44]<JT-Shop> no, I'm not getting up at midnight to do something between shifts you should have planned for before you took the machine all apart LOL
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[20:20:26]<Danimal_garage> lol what?
[20:20:56]<JT-Shop> silly customer
[20:21:23]<Danimal_garage> ah
[20:21:33]<JT-Shop> PLC also controls traffic on that part of the assembly line so it can't be shut off to switch to the new machine
[20:22:46]<Danimal_garage> i don't get up before 8 for anyone
[20:23:11]<JT-Shop> I get up when I wake up and not before...
[20:24:43]<Danimal_garage> lol
[20:24:44]<Danimal_garage> yea
[20:24:50]<Danimal_garage> i usually play it by ear
[20:25:01]<Danimal_garage> hardly ever before 8 though
[20:25:09]<Danimal_garage> usually 8:15-8:30
[20:25:13]<JT-Shop> I'm usually up at 5am
[20:25:29]<JT-Shop> unless I sleep later
[20:26:55]<Danimal_garage> damn!
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[20:27:10]<Danimal_garage> i need my 10 hours lol
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[20:28:30]ries_ is now known as ries[20:29:34]<JT-Shop> does a 7i37 have any leds that are normally on?
[20:31:21]<pcw_home> No
[20:31:53]<pcw_home> it has red OPTO reverse voltage protection diodes
[20:32:01]<JT-Shop> Thanks Peter
[20:33:13]<pcw_home> since the red LEDS cost the same as normal diodes we get customer reversed wiring indication for free
[20:33:31]<JT-Shop> neat!
[20:34:13]<Danimal_garage> fancy
[20:34:24]<Danimal_garage> you should upcharge them
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[21:06:38]<JT-Shop>http://imagebin.org/178375[21:08:22] -!- nullie has quit [Quit: Ex-Chat]
[21:10:30]<Jymmm> Danimal_garage: You can now listen to Pandora as much as you’d like for free.
[21:12:33]<Jymmm> Danimal_garage: they removed the listen limit
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[21:17:20]<andypugh> JT-Shop: -> Has too much money.
[21:17:38]<malagant> just driving first time bare stepper motors using emc2 and it works great! :P
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[21:18:48]<malagant> using tb6560 based cheap chinese driver board
[21:21:00]<andypugh> Wow! You got a working one?
[21:23:22]<malagant> apparently yeah :D
[21:23:36]<malagant> build quality seems to be ok :O
[21:25:50]<malagant> drives very smoothly when dip switches on 1/16 microstepping.. motors are some used sanyo denki nema17s
[21:40:19]<andypugh> Little steppers always seem more satisfactory. I think when motors get big the whole stepper concept breaks down.
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[21:54:26]<JT-Shop> no I don't, I spent is all on fancy gadgets... it does save me time and gives me a warm fuzzy feeling that my fingers are not in there when touching off
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[21:58:00]<andypugh> I would really like some sort of digital gap gauge for small gaps. Then I could touch-off to a shoulder or known diameter on the lathe. I tend to use a feeler-gauge, but it lacks "give"
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[22:00:19]<JT-Shop> on the lathe I use a 3/8" dowel and move away till the dowel just falls through... cradek taught me that trick
[22:00:32]<elmo44> ok. when in install should i use ext4 ? or the (older) but very stable reiserFS?
[22:00:52]<elmo44> or even jfs.
[22:00:57]<elmo44> so many options :/
[22:01:04]<JT-Shop> maybe just BuGlUmp
[22:02:27]<andypugh> Hmm, digital feeler gauges exist. But I suspect are not cheap. http://www.capacitec.com/index.cfm?pg=20&title=Gap-Measurement-System[22:03:47]<JT-Shop> don't look rugged enough for me
[22:08:03]<elmo44> no thaughts, anyone? i am rooting for ext4 but some still say reiserFS
[22:09:16]<JT-Shop> I don't have a clue as to what you said...
[22:09:58]<elmo44> :p
[22:13:35]<Danimal_garage> Jymmm: nice
[22:13:59]<Jymmm> Danimal_garage: I thought you might like that =)
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[22:14:59]<Danimal_garage> big steppers are a nightmare
[22:15:11]<Danimal_garage> i couldnt get rid of them fast enough on my mill
[22:15:32]<Danimal_garage> even my servos of half their size do a better job
[22:16:31]<Danimal_garage> i should ebay those suckers
[22:16:33]<pcw_home> "big steppers are a nightmare"
[22:16:35]<pcw_home> Not if you like things slow and hot...
[22:17:15]<Danimal_garage> pcw_home: key word "big". still a nightmare
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[22:20:15]<Danimal_garage> eventually i do need to get proper sized servos for the mill
[22:20:19]<Danimal_garage> or ditch it for a vmc
[22:21:11]<Danimal_garage> i'd want to find a vmc with an ac motor instead of a servo though.... i'd like to get away without using a phase converter
[22:21:42]<Danimal_garage> JT-Shop: how much power do you think is wasted with the rotary phase converter?
[22:22:35]<JT-Shop> I don't have a clue as someone said you can't measure the amps with an amp meter because of some black magic electrical stuff
[22:23:11]<Danimal_garage> lol
[22:24:12]<Danimal_garage> i'd have to imagine a vfd would be better, huh? aside from accel and decel maybe
[22:25:32]<Danimal_garage> in terms of efficiency
[22:25:57]<Danimal_garage> my phase converter is just so damn loud...
[22:26:21]<Jymmm> Danimal_garage: WHAAAAT did you say?!
[22:26:33]<JT-Shop> I use vfd's for <= 3hp motors
[22:26:33]<Jymmm> Danimal_garage: speak up, cant hear ya!
[22:26:46]<Danimal_garage> hardy har har
[22:26:52]<Jymmm> ;)
[22:26:58]<Danimal_garage> yea, all mine are 3hp or less
[22:27:11]<JT-Shop> my BP Series 1 has a vfd for the spindle and I just plug the drives into the wall
[22:27:28]<Danimal_garage> same with all my stuff
[22:27:32]<Jymmm> Do all/most BP need 3ph ?
[22:27:38]<JT-Shop> I use the GS2 from Automation Direct
[22:27:44]<Danimal_garage> well, actually they're all 220v
[22:27:47]<JT-Shop> yea Jymmm for the spindle motor
[22:27:53]<Jymmm> JT-Shop: k
[22:28:05]<JT-Shop> unless it has been converted
[22:28:12]<Danimal_garage> i have some mitsubishi ones i got off of ebay for about $50 each, they work pretty good
[22:28:23]<JT-Shop> can't beat that
[22:28:39]<Danimal_garage> i have a braking unit on the mill and huge braking resistors on both machines
[22:28:48]<JT-Shop> when I convert to EMC I'll be able to rigid tap and control the spindle through EMC
[22:28:54]<Danimal_garage> stops pretty quick
[22:29:21]<Danimal_garage> nice, yea, all i need to do is install a spindle encoder on the mill
[22:29:32]<Danimal_garage> then i could rigid tap
[22:29:41]<Danimal_garage> but i cant see myself ever doing it
[22:30:06]<Danimal_garage> i cant remember i tapped anything i made on the cnc
[22:30:47]<JT-Shop> yea, if you don't tap you don't need it
[22:31:09]<Danimal_garage> i have an encoder on the lathe's spindle now, that is MUCH needed
[22:31:16]<Danimal_garage> for g95
[22:31:39]<Danimal_garage> i know it isnt neccesary but my belt slips, so on my lathe it kinda is
[22:31:52]<Danimal_garage> i need to switch to a gear belt soon
[22:33:11]<Danimal_garage> bbl, gotta mail stuff
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[22:34:52]<JT-Shop> ok
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